This primary source comes from the Records of the War Department General and Special Staffs.
National Archives Identifier:
533306Full Citation: Virginia, Fredericksburg, Pontoon Bridge across the Rappahannock river.; 5/1863; Records of the War Department General and Special Staffs, Record Group 165. [Online Version, https://www.docsteach.org/documents/document/virginia-fredericksburg-pontoon-bridge-across-the-rappahannock-river, March 23, 2025]